SAT Math Practice Question #31482 - SATify | SATify
#31482
systems
quadratic equations
equations
easy
60 sec
In the xy-plane, a line with equation y=3 intersects a parabola with equation y=x2−kx+7, where k is a positive constant, at exactly one point. What is the value of k?
• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-). • Fractions must be in lowest terms. • Mixed numbers must be converted to improper fractions.